Evaluation of Performances on Powder Acid and Experimental Investigation of Reaction Characteristics with Carbonate

doi:10.3863/j.issn.1000-2634.2005.02.016

西南石油大学学报(自然科学版) ›› 2005, Vol. 27 ›› Issue (2): 57-60.DOI: 10.3863/j.issn.1000-2634.2005.02.016

• 油气化学工程与化工 • Previous Articles Next Articles

Evaluation of Performances on Powder Acid and Experimental Investigation of Reaction Characteristics with Carbonate

CHEN Ji-mei ZHAO Li-qiang LIU Ping-li

Southwest Petroleum Institute, Nanchong Sichuan 637001, China

Received:2004-03-24 Revised:1900-01-01 Online:2005-04-20 Published:2005-04-20
Contact: CHEN Ji-mei

Abstract

Abstract: It is one of the difficulty issues that how long the fracture is formed and how the speed of acid with rock reaction is reduced so as to active acid penetrating through deeper layer during acidizing in carbonate. Powder acid is a novel material for acidizing and is of inactive in usual condition, and can be broken out of HNO3 with strong oxidation. Aiming at existent problems on the powder acid in acidizing at present around the world, performance and influencing factors have been analyzed in laboratory. Reaction characteristics of the powder acid with carbonate have been investigated. Results indicate that reaction of the powder acid with carbonate can be retarded effectively by using some special place technique and capacity of dissolving carbonate is identical with hydrochloric acid.

Key words: acidizing, powder acid, carbonate, dissolution capacity, acid/rock reaction

CLC Number:

TE258
TE357

CHEN Ji-mei ZHAO Li-qiang LIU Ping-li. Evaluation of Performances on Powder Acid and Experimental Investigation of Reaction Characteristics with Carbonate[J]. 西南石油大学学报(自然科学版), 2005, 27(2): 57-60.

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Evaluation of Performances on Powder Acid and Experimental Investigation of Reaction Characteristics with Carbonate

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